Home / 114,538.91-171,767.19-39,638.72

Finding the Fourth Proportional to 114,538.91, 171,767.19 and 39,638.72

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Solution

The fourth proportional to 114,538.91, 171,767.19 and 39,638.72 is: 59,443.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,538.91 : 171,767.19 = 39,638.72 : x
  2. Step 2: Convert to fraction form
    114,538.91/171,767.19 = 39,638.72/x
  3. Step 3: Cross multiply
    114,538.91x = 171,767.19 × 39,638.72
  4. Step 4: Simplify right side
    114,538.91x = 6,808,630,690.76
  5. Step 5: Solve for x
    x = 6,808,630,690.76/114,538.91
  6. Step 6: Final answer
    x = 59,443.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.